"Tilt-shift photography" refers to the use of tilt for selective focus, often for simulating a miniature scene.
The "miniature effect" has to do with our visual literacy. From seeing images of small objects in a shallow depth of field all our lives, our mind tells us that any image with a depth of field that shallow must be of something tiny. Speeding up the motion only enhances the effect. It's a very cool effect and amazing to watch.
Wiki
Music by Jarbas Agnelli

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